Car Key Reprogramming Reprogramming your car key is changing the chip on the replacement key to make it compatible with your vehicle. It is much more efficient than ordering an entirely new key from the dealer and can save you money. Locksmiths are typically the ones who execute this procedure. https://autolocksmiths59211.ampedpages.com/11-strategies-to-completely-defy-your-car-key-programmer-56714003